CM1481 2-Channel EMI Filter with ESD Protection for Headsets/Speakers Features http://onsemi.com • Two Channels of EMI Filtering • Pi−Style Filters in a Capacitor−Resistor−Capacitor (C−R−C) • • • • • • • Network ±8 kV ESD Protection (IEC 61000−4−2, Contact Discharge) ±15 kV ESD Protection (HBM) Supports AC Signals − Ideal for Audio Applications Greater than 40 dB of Attenuation at 1 GHz 8−lead, 2.00 mm x 2.00 mm Footprint WDFN Package Low Profile Maximum Height of 0.8 mm These Devices are Pb−Free and are RoHS Compliant Applications WDFN8 DE SUFFIX CASE 511BE ELECTRICAL SCHEMATIC 10 W 1 Filter #1 C • Headset Speaker Port in Mobile Handsets • I/O Port Protection for Mobile Handsets, Notebook Computers, PDAs, etc. • EMI Filtering for Data Ports in Cell Phones, PDAs or Notebook Computers R 8 Filter #1 C 100 pF 100 pF 10 W 4 Filter #2 C R 5 Filter #2 C 100 pF 100 pF MARKING DIAGRAM 81E 81E = CM1481−02DE ORDERING INFORMATION Device Package Shipping† CM1481−02DE WDFN (Pb−Free) 3000/Tape & Reel †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D. © Semiconductor Components Industries, LLC, 2011 April, 2011 − Rev. 3 1 Publication Order Number: CM1481/D CM1481 Table 1. PIN DESCRIPTIONS Pin Name 1 Filter #1 2 NC No Connect 3 NC No Connect 4 Filter #2 Filter #2 5 Filter #2 Filter #2 6 NC No Connect 7 NC No Connect 8 Filter #1 Filter #1 DAP GND Ground PACKAGE / PINOUT DIAGRAMS Description Top View (Pins Down View) 8 7 6 5 Filter #1 Pin 1 Marking Bottom View (Pins Up View) 1 2 3 4 GND PAD 81E 1 2 3 4 8 7 6 5 CM1481−02DE 8 Lead WDFN Package SPECIFICATIONS Table 2. ABSOLUTE MAXIMUM RATINGS Parameter Storage Temperature Range Rating Units −65 to +150 °C 0.5 W DC Package Power Rating Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. Table 3. STANDARD OPERATING CONDITIONS Parameter Operating Temperature Range Rating Units –40 to +85 °C Table 4. ELECTRICAL OPERATING CHARACTERISTICS (Note 1) Symbol R RMATCH CTOT C Parameter Conditions Resistance R Typ Max Units 8 10 12 W 5 % 240 pF 0.1 1.0 mA 7 −10 15 −5 Resistor−to−Resistor Matching Total Channel Capacitance 2.5 V DC, 1 MHz, 30 mV AC 160 Capacitance C 200 100 ILEAK Diode Leakage Current VIN = +5.0 V VSIG Signal Clamp Voltage Positive Clamp Negative Clamp ILOAD = 10 mA ILOAD = −10 mA VESD In−system ESD Withstand Voltage a) Human Body Model, MIL−STD−883, Method 3015 b) Contact Discharge per IEC 61000−4−2 Level 4 fC Min (Note 2) 5 −15 pF V kV ±15 ±8 Cut−off Frequency ZSOURCE = 50 W, ZLOAD = 50 W R = 10 W, C = 100 pF 31 MHz 1. TA = 25°C unless otherwise specified. 2. ESD applied to input and output pins with respect to GND, one at a time. Clamping voltage is measured at the opposite side of the EMI filter to the ESD pin (i.e. if ESD is applied to pin 1 then clamping voltage is measured at pin 8). http://onsemi.com 2 CM1481 PERFORMANCE INFORMATION Typical Filter Performance (nominal conditions unless specified otherwise, 50 W Environment) Figure 1. Insertion Loss vs. Frequency (Filter #1 to GND B2) Figure 2. Insertion Loss vs. Frequency (Filter #2 to GND B2) http://onsemi.com 3 CM1481 PACKAGE DIMENSIONS WDFN8 2x2, 0.5P CASE 511BE−01 ISSUE O A D PIN ONE REFERENCE 2X ÇÇÇ ÇÇÇ ÇÇÇ 0.10 C E DETAIL A ALTERNATE CONSTRUCTIONS TOP VIEW ÇÇ ÉÉ EXPOSED Cu DETAIL B A 0.10 C A3 A3 MOLD CMPD A1 DETAIL B 0.08 C NOTE 4 C D2 1 8X 4 SEATING PLANE 5 e BOTTOM VIEW 8X MILLIMETERS MIN MAX 0.70 0.80 0.00 0.05 0.20 REF 0.20 0.30 2.00 BSC 1.50 1.70 2.00 BSC 0.80 1.00 0.50 BSC 0.25 REF 0.20 0.40 −−− 0.15 0.10 C A B 8X 1.70 PACKAGE OUTLINE b 0.05 C DIM A A1 A3 b D D2 E E2 e K L L1 RECOMMENDED SOLDERING FOOTPRINT* L E2 8 ÉÉ ÇÇ ÇÇ ALTERNATE CONSTRUCTIONS A1 SIDE VIEW DETAIL A NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994. 2. CONTROLLING DIMENSION: MILLIMETERS. 3. DIMENSION b APPLIES TO PLATED TERMINAL AND IS MEASURED BETWEEN 0.15 AND 0.30 MM FROM TERMINAL TIP. 4. COPLANARITY APPLIES TO THE EXPOSED PAD AS WELL AS THE TERMINALS. L1 0.10 C 2X L L B 0.50 2.30 1.00 NOTE 3 1 0.50 PITCH 8X 0.30 DIMENSIONS: MILLIMETERS *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303−675−2176 or 800−344−3867 Toll Free USA/Canada Email: [email protected] N. American Technical Support: 800−282−9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81−3−5773−3850 http://onsemi.com 4 ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative CM1481/D